| Cedar_R_watershed | Watershed Boundary of the Cedar River in Iowa, from its Confluence with the Iowa River, Derived from the Watershed Boundary Dataset | |
| Clear_Cr_watershed | Watershed Boundary of the Clear Creek in Iowa, from its Confluence with the Iowa River, Derived from the Watershed Boundary Dataset | |
| Deep_R_watershed | Watershed Boundary of the Deep River in Iowa, from its Confluence with the English River, Derived from the Watershed Boundary Dataset | |
| East_Branch_Iowa_River | Watershed Boundary of the East Branch Iowa River in Iowa, from its Confluence with the Iowa River, Derived from the Watershed Boundary Dataset | |
| English_R_watershed | Watershed Boundary of the English River in Iowa, from its Confluence with the Iowa River, Derived from the Watershed Boundary Dataset | |
| Iowa_R_watershed | Watershed Boundary of the Iowa River in Iowa, from its Confluence with the Mississippi River, Derived from the Watershed Boundary Dataset | |
| Iowa_R_watershed_from_cedar_confluence | Watershed Boundary of the Iowa River in Iowa, from its Confluence with the Cedar River, Derived from the Watershed Boundary Dataset | |
| Little_Cedar_R_watershed | Watershed Boundary of the Little Cedar River in Iowa, from its Confluence with the Cedar River, Derived from the Watershed Boundary Dataset | |
| Middle_English_R_watershed | Watershed Boundary of the South English River in Iowa, from its Confluence with the English River, Derived from the Watershed Boundary Dataset | |
| Old_Mans_Cr_watershed | Watershed Boundary of the Old Man's Creek in Iowa, from its Confluence with the Iowa River, Derived from the Watershed Boundary Dataset | |
| Shell_Rock_R_watershed | Watershed Boundary of the Shell Rock River in Iowa, from its Confluence with the Cedar River, Derived from the Watershed Boundary Dataset | |
| South_English_R_watershed | Watershed Boundary of the South English River in Iowa, from its Confluence with the English River, Derived from the Watershed Boundary Dataset | |
| South_Fork_Iowa_R_watershed | Watershed Boundary of the East Branch Iowa River in Iowa, from its Confluence with the Iowa River, Derived from the Watershed Boundary Dataset | |
| stream_watersheds | Watershed Boundaries of Rivers and Streams in Iowa, Derived from the Watershed Boundary Dataset | |
| West_Branch_Iowa_R_watershed | Watershed Boundary of the West Branch Iowa River in Iowa, from its Confluence with the Iowa River, Derived from the Watershed Boundary Dataset | |
| West_Fork_Cedar_R_watershed | Watershed Boundary of the West Fork Cedar River in Iowa, from its Confluence with the Cedar River, Derived from the Watershed Boundary Dataset | |
| Winnebago_R_watershed | Watershed Boundary of the Winnebago River in Iowa, from its Confluence with the Cedar River, Derived from the Watershed Boundary Dataset |